1.
private automatic telephone exchange
专用自动电话交换机
2.
A private telephone exchange that automatically connects internal "branch" lines to the external circuits of a telephone system.
一种自动地将内部用户线连接到电话系统外线的专用电话交换机。
3.
machine driven switching system
机动制自动电话交换机
4.
computer telephone exchange
电脑自动电话交换机
5.
railway telephone exchange
铁路专用电话交换机
6.
automatic local exchange
市内电话自动交换机
7.
automatic toll switching system
长途电话自动交换机
8.
crossbar automatic telephone system
纵横制自动电话交换机
9.
unit automatic exchange
内部自动电话交换机
10.
code switch automatic telephone system
码条式自动电话交换机
11.
step-by-step system local automatic telephone exchange
步进制市内用自动电话交换机
12.
concourse-connection longitudinal-transverse auto-telephone exchange
汇接用纵横制自动电话交换机
13.
digital electronic private automatic branch exchange
数字专用式电子自动交换分机
14.
semi-automatic private branch exchange
半自动专用小交换机
15.
automatic telex exchange
自动用户电报交换机
16.
Each telephone served by a private branch exchange.
由专用小交换机提供服务的电话分机。
17.
identifier circuit
(自动电话交换机的) 识别电路
18.
all relay automatic telephone system
全继电器制自动电话交换机